Tekno RC 2.0 Front/Rear/Center Differential Case. This optional differential case is intended for the Tekno RC EB48 2.0, ET48 2.0, NB48 2.0, NT48 2.0 and the MT410. Made from a strong composite material, this case features an updated internal design with higher initial/breakaway resistance, when compared to the factory TKR9115. Package includes one differential case.